This patch series adds support for testing the timer extension as defined in the RISC-V SBI specification. The first 3 patches add infrastructural support for handling interrupts, while the last patch adds the actual test for the timer extension. James Raphael Tiovalen (4): riscv: Extend exception handling support for interrupts riscv: Update exception cause list riscv: Add methods to toggle interrupt enable bits riscv: sbi: Add test for timer extension riscv/Makefile | 1 + lib/riscv/asm/csr.h | 30 +++++++++++--- lib/riscv/asm/interrupt.h | 12 ++++++ lib/riscv/asm/processor.h | 15 ++++++- lib/riscv/asm/sbi.h | 5 +++ lib/riscv/interrupt.c | 39 ++++++++++++++++++ lib/riscv/processor.c | 27 ++++++++++-- riscv/sbi.c | 87 +++++++++++++++++++++++++++++++++++++++ 8 files changed, 205 insertions(+), 11 deletions(-) create mode 100644 lib/riscv/asm/interrupt.h create mode 100644 lib/riscv/interrupt.c -- 2.43.0